EP0790175B1 - Fahrrad-Gangschaltungshebel - Google Patents

Fahrrad-Gangschaltungshebel Download PDF

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Publication number
EP0790175B1
EP0790175B1 EP97300916A EP97300916A EP0790175B1 EP 0790175 B1 EP0790175 B1 EP 0790175B1 EP 97300916 A EP97300916 A EP 97300916A EP 97300916 A EP97300916 A EP 97300916A EP 0790175 B1 EP0790175 B1 EP 0790175B1
Authority
EP
European Patent Office
Prior art keywords
pivoting
lever
operating
control body
operating body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97300916A
Other languages
English (en)
French (fr)
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EP0790175A1 (de
Inventor
Masao c/o Shimano Inc. Kojima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimano Inc
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Shimano Inc
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Filing date
Publication date
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Publication of EP0790175A1 publication Critical patent/EP0790175A1/de
Application granted granted Critical
Publication of EP0790175B1 publication Critical patent/EP0790175B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
    • B62K23/02—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
    • B62K23/06—Levers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20037—Occupant propelled vehicle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20037—Occupant propelled vehicle
    • Y10T74/20043—Transmission controlled by flexible cable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20256—Steering and controls assemblies
    • Y10T74/20268—Reciprocating control elements
    • Y10T74/2028—Handle bar type
    • Y10T74/20287—Flexible control element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/2042—Flexible transmitter [e.g., Bowden cable] and hand operator
    • Y10T74/20438—Single rotatable lever [e.g., for bicycle brake or derailleur]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • Y10T74/2078—Handle bars
    • Y10T74/20822—Attachments and accessories

Definitions

  • the present invention is directed to a bicycle shifting device which operates a shifter via a shifter cable, and specifically concerns a device in which a take-up body that takes up the shifter cable is caused to rotate in the take-up direction by means of a first shift lever which freely returns to a home position, and is caused to rotate in the pay-out direction by means of a second shift lever which freely returns to a separate home position.
  • a bicycle shifter operating device equipped with first and second shift levers such as those described above is known (for example) from Japanese Patent Application Kokai No. 4-183696.
  • the first shift lever and the second shift lever can pivot about a common pivoting axis wherein the operating direction of the first shift lever is clockwise and the operating direction of the second shift lever is counterclockwise.
  • the first shift lever is arranged so that it can be operated by the thumb of the hand gripping the handlebar
  • the second shift lever is arranged so that it can be operated by the index finger of the hand gripping the handlebar.
  • the first and second levers typically pivot about an axis that is perpendicular to the handlebar.
  • shifting devices Another ergonomic consideration of shifting devices is the sensory feedback provided by the shifting device.
  • Some cyclists prefer a shifting device which provide very different sensory feedback between the upshifting and downshifting operations.
  • a shifting device with two pivoting levers does not provide sufficient sensory difference between the upshifting and downshifting operation, since both levers pivot.
  • shifting devices constructed with a rotating sleeve since both upshifting and downshifting is performed by rotating the sleeve.
  • a bicycle shifter operating device in which the first shift lever is operated by pivoting and the second shift lever is operated by means of a button in order to achieve a clear sensory difference between the shifter cable take-up operation and the shifter cable pay-out operation is known from British Patent Disclosure No. 2,169,065 (corresponding to Japanese Patent Application Kokai No. 61-222889).
  • a pivoting lever is used when the take-up body is to be rotated in the direction which takes up the shifter cable.
  • the present invention provides a bicycle shifter operating device for operating a shifter via a transmission element comprising:
  • FIG. 1 is a perspective view showing a particular embodiment of a shifter operating mechanism according to the present invention.
  • a brake bracket 3 which pivotally supports a brake lever 2 is fastened in place adjacent to a grip 1a formed on the handlebar 1 of a bicycle.
  • a shifter operating device 5 which pulls and releases a shifter cable 4 is attached to the side surface of this brake bracket 3.
  • the arm-shaped sliding operating body 20 of the shifter operating device 5 extends above the handlebar 1, and the pivoting operating body 30 of the shifter operating device 5 extends beneath the handlebar 1, so that operation of both levers is possible with the thumb of the hand gripping the handlebar grip 1a.
  • the shifter operating device 5 includes a supporting shaft 8 which is rigidly fastened by means of an attachment bolt 7 to a bracket 6 which, in turn, may be formed as an integral part of the brake bracket 3.
  • a take-up body 70 is attached to the base end of supporting shaft 8, and a positioning mechanism 80 is built into a recessed area 71 formed in take-up body 70.
  • a first ratchet mechanism 50 used as a first transmission means, transmits the displacement of a sliding operating body 20 to the take-up body 70 to cause the rotation of the take-up body 70 in one direction
  • a second ratchet mechanism 60 used as a second transmission means, transmits the displacement of a pivoting operating body 30 to the take-up body 70 to cause the rotation of the take-up body 70 in the other direction.
  • the sliding operating body 20 is equipped with a first arm part 21 which forms the main part of the sliding operating body, a first finger contact part 22 which is formed on the tip of the first arm part 21 in order to allow finger operation, a rotating plate 23 (constituting a root part) which is supported on the supporting shaft 8 so that the plate 23 can rotate about the supporting shaft 8, and a pair of link members 26 which link the first arm part 21 with a projecting part 23a of the rotating plate 23 via pivot pins 24 and 25.
  • the pivoting operating body (30) is equipped with a second arm part 31 which forms the main part of the pivoting operating body, a second finger contact part 32 which is formed on the tip of the second arm part 31 in order to allow finger operation, and a rotating plate 33 (constituting a root part) which is supported on the supporting shaft 8 so that the plate 33 can rotate about the supporting shaft 8.
  • the first ratchet mechanism 50 is equipped with a first feeding pawl 51 which is rotatably attached to the pivot pin 24, a first ratchet part 72 which is formed on the outer circumferential surface of the take-up body 70 so that the ratchet part 72 can engage with the feeding pawl 51, and a spring 52 which drives the first feeding pawl 51 in the direction of engagement.
  • the second ratchet mechanism 60 is quipped with a second feeding pawl 61 which is rotatably attached to a pivot pin 34 installed on the transitional part 33a between the rotating plate 33 and second arm part 31, a second ratchet part 73 which is formed on the outer circumferential surface of the take-up body 70 so that the ratchet part 73 can engage with the feeding pawl 61, and a spring 62 which drives the second feeding pawl 61 in the direction of engagement.
  • the take-up body 70 is equipped with a drum part which is constructed so that the inner wire 4a of the shifter cable 4 from a shifter (not shown) on the front or rear of the bicycle is taken up along a wire groove 74. By rotating in the forward direction or reverse direction with respect to the supporting shaft 8, the take-up body 70 takes up or pays out the inner wire 4a.
  • the first arm part 21 of the sliding operating body 20 is linked with the rotating plate 23 by means of the link members 26 and pivot pin 24. Both ends of the pivot pin 24 are extended, and the extended end portions are inserted into grooves 6a formed in the bracket 6. Accordingly, the first arm part 21 is guided by the grooves 6a, and performs a linear sliding motion. As a result of this sliding motion, the rotating member 23, which is pivotably fit over the supporting shaft 8 via a bush 9a, is caused to pivot about the axial center X of the supporting shaft 8.
  • the rotating plate 23 has a projection 23b which projects radially outward.
  • This projection 23b is designed so that it will contact one side surface of a stopper 10a formed by bending a circumferential projecting part 10a of a cam member 10 which is attached to the supporting shaft 8 in the pivoting track of the projection 23b.
  • Rotating plate 23 is driven by a return spring 11a in the direction which causes contact between the projection 23b and the stopper 10a.
  • the position in which the projection 23b and stopper 10a are in contact with each other constitutes the home position HP1 of the rotating plate 23 and the sliding operating body 20.
  • the sliding operating body 20 is operated with this home position as a starting point.
  • the second arm part 31, second finger contact part 32 and rotating plate 33 (which constitutes the second root part) are formed as an integral unit, and the rotating plate 33 is pivotably fit over the supporting shaft 8 via a bush 9b. Accordingly, when the second finger contact part 32 is pressed, the rotating plate 33 pivots about the axial center X of the supporting shaft 8.
  • the transitional part between the second arm part 31 and the rotating plate 33, I.e., the root of the second arm part 31, is designed so that it contacts the other side surface of the stopper 10a formed by a portion of the cam member 10 in the pivoting track of the root of the second arm part 31.
  • the second arm part 31 is driven by a return spring 11b in the direction which causes contact between the second arm part 31 and the stopper 10a.
  • the position in which the second arm part 31 and stopper 10a are in contact with each other constitutes the home position HP2 of the rotating plate 33 and operating body 30.
  • the pivoting operating body 30 is operated with this home position as a starting point.
  • the first and second finger contact parts 22,32 can easily be set in positions which are convenient for the fingers of the hand gripping the handlebar grip, since the finger contact parts 22,32 are located in positions distant from the take-up body. Furthermore, if the system is constructed so that the first finger contact part 22 is displaced in substantially the same plane as the plane of the pivoting track of the second finger contact part 32 , I e., if the first finger contact part 22 is positioned on a line constituting a direct extension of the pivoting range of the second finger contact part 32 , then the two operating bodies can be operated by a bending motion and a pivoting motion of the thumb of the hand gripping the handlebar grip.
  • the tip of the first feeding pawl 51 rides up on a first cam part 10b formed on the circumference of the cam member 10. Accordingly, as a result of being pushed upward by the first cam part 10b of the cam member 10, the first feeding pawl 51 is released from the first ratchet part 72, so that rotation of the take-up body 70 by the pivoting operating body 30 is made possible.
  • the first feeding pawl 51 is released from the first cam part 10b and is caused to pivot toward the first ratchet part 72 by the driving force of the first pawl spring 52.
  • the feeding pawl 51 engages with one of the plurality of ratchet teeth of the first ratchet part 72, thus coupling the sliding operating body 20 and the take-up body 70 so that the bodies rotate as a unit.
  • the sliding operating body 20 moves from a prescribed shift operating position to the home position HP1
  • the first feeding pawl 51 is pushed upward by the shape of the ratchet teeth of the first ratchet part 72, so that the engagement of the first feeding pawl 51 with the first ratchet part 72 is automatically released.
  • the first ratchet mechanism 50 transmits the sliding displacement of the sliding operating body 20 to the take-up body 70 to cause a take-up rotational operation of the take-up body 70. Thereafter, when the sliding operating body 20 slides from the shift operating position to the home position HP1, the engagement between the first feeding pawl 51 and the first ratchet part 72 is released, thus making it possible for the sliding operating body 20 to return to the home position HP1 while the take-up body 70 remains in a prescribed shift position.
  • the tip of the second feeding pawl 61 rides up on a second cam part 10c formed on the circumference of the cam member 10. Accordingly, as a result of being pushed upward by the second cam part 10c of the cam member 10, the second feeding pawl 61 is released from the second ratchet part 73, so that rotation of the take-up body 70 by the sliding operating body 20 is made possible.
  • the pivoting operating body 30 pivots in the direction indicated by the arrow from the home position HP2
  • the second feeding pawl 61 is released from the second cam part 10c and is caused to pivot toward the second ratchet part 73 by the driving force of the second pawl spring 62.
  • the feeding pawl 61 engages with one of the plurality of ratchet teeth of the second ratchet part 73, thus coupling the pivoting operating body 30 and the take-up body 70 so that the bodies rotate as a unit.
  • the pivoting operating body 30 pivots from a prescribed shift operating position to the home position HP2
  • the second feeding pawl 61 is pushed upward by the shape of the ratchet teeth of the second ratchet part 73, so that the engagement of the second feeding pawl 61 with the ratchet part 72 is automatically released.
  • the second ratchet mechanism 60 transmits the pivoting displacement of the pivoting operating body 30 to the take-up body 70 to cause a pay out rotational operation of the take-up body 70. Thereafter, when the pivoting operating body 30 pivots from the shift operating position to the home position HP2, the engagement between the second feeding pawl 61 and the second ratchet part 73 is released, thus making it possible for the pivoting operating body 30 to return to the home position HP2 while the take-up body 70 remains in a prescribed shift position.
  • the positioning mechanism 80 is constructed from a first positioning plate 81 and second positioning plate 82 which are fit over the supporting shaft 8 inside the take-up body 70, and a pair of coned disk springs 83 which are fit over the supporting shaft 8 between the first positioning plate 81 and the bottom surface of a recessed part 71.
  • a circular through-hole 81a is formed in the central portion of the first positioning plate 81, and spline projections 81b are formed on the circumference of the first positioning plate 81.
  • This through-hole 81a is used to fit the first positioning plate 81 over the supporting shaft 8, and the spline projections 81b are inserted into the spaces between a plurality of radially oriented projecting parts formed on the inside circumferential surface of a tube-form part 75 which forms the recessed part 71 of the take-up body 70.
  • the first positioning plate 81 can slide along the supporting shaft 8 and rotates as a unit with the take-up body 70.
  • the second positioning plate 82 is spline-engaged with the supporting shaft 8 by means of a spline hole 82a, and the second positioning plate 82 is positioned with respect to its upper limit by means of a tightening nut 84 via a spacer 85.
  • Coned disk springs 83 drive the first positioning plate 81 toward the second positioning plate 82 so that a plurality of projecting strips 81c formed on the first positioning plate 81 respectively enter a plurality of recessed grooves 82b formed in the second positioning plate 82.
  • the positioning mechanism 80 is in this engaged state, the second positioning plate 82 fastened to the supporting shaft 8 stops the rotation of the take-up body 70 via the first positioning plate 81.
  • the first positioning plate 81 slides away from the second positioning plate 82 against the force of the coned disk springs 83, so that the engaged state is switched to a disengaged state in which the projecting strips 81c slip out of the recessed grooves 82b formed in the second positioning plate 82, thus allowing rotation of the take-up body 70.
  • the positioning mechanism 80 assumes a disengaged state so that the take-up body 70 can rotate. Afterward, the positioning mechanism 80 positions the take-up body 70 in the prescribed shift position by again switching from a disengaged state to an engaged state.
  • the first ratchet mechanism 50 transmits the sliding displacement of the sliding operating body 20 as a rotational displacement of the take-up body 70.
  • the positioning mechanism 80 assumes a disengaged state, and the take-up body 70 rotates toward the take-up side so that the inner wire 4a is taken up.
  • the take-up body 70 reaches a prescribed shift position, the sliding operation of the sliding operating body 20 is stopped.
  • the take-up body 70 is in a new shift position which is the target position of the shifting operation, so that the take-up of a prescribed length of the inner wire 4a is completed.
  • the positioning mechanism 80 switches from a disengaged state to an engaged state, so that the take-up body 70 is maintained in the new shift position.
  • the sliding operating body 20 is automatically returned to its home position HP1 by the return spring 11a.
  • the first finger contact part 22 and second finger contact part 32 are again located adjacent to each other as shown in Figure 3.
  • the second ratchet mechanism 60 transmits the pivoting displacement of the pivoting operating body 30 as a rotational displacement of the take-up body 70.
  • the positioning mechanism 80 assumes a disengaged state, and the take-up body 70 rotates toward the pay-out side so that the inner wire 4a is paid out.
  • the take-up body 70 reaches a prescribed shift position, the pivoting operation of the pivoting operating body 30 is stopped.
  • the take-up body 70 is in a new shift position which is the target position of the shifting operation, so that the pay-out of a prescribed length of the inner wire 4a is completed.
  • the positioning mechanism 80 switches from a disengaged state to an engaged state, so that the take-up body 70 is maintained in the new shift position.
  • the pivoting operating body 30 is automatically returned to its home position HP2by the return spring 11b.
  • the first finger contact part 22 and second finger contact part 32 are again located adjacent to each other as shown in Figure 3.
  • positioning mechanism 80 which maintains the position of the take-up body 70
  • a means in which this positioning is accomplished by friction between a positioning member on the fixed side and a positioning member on the take-up body side instead of using a construction in which the positioning is accomplished by engaging means as in the embodiment described above.
  • index shifting mechanism in which shifting one speed at a time is realized by means of a pivoting anchoring pawl which acts to link the sliding operating body 20 and pivoting operating body 30.
  • the term "positioning mechanism 80" use here may refer to any universally known mechanism for temporarily maintaining the position of the take-up body 70.
  • FIGs 8-10 illustrate an alternative embodiment of a shift operating device 5' according to the present invention.
  • This embodiment is similar to the first embodiment, but in this embodiment both operating body 20' and operating body 30' operate by a pivoting displacement around axis X.
  • This is accomplished by constructing operating body 20' as shown in Figures 9 and 10, which is substantially the same as the construction of operating body 30 in the first embodiment
  • the operation of operating body 20' is also substantially the same as the operation of operating body 30 in the first embodiment.
  • pivoting of operating body 20' in the direction of arrow 90 causes take-up body 70 to rotate in the cable take-up direction
  • pivoting of operating body 30' in the direction of arrow 94 causes take-up body 70 to rotate in the cable pay out direction.
  • Both operating bodies 20' and 30' automatically return to the home position when the thumb of the cyclist is removed as in the first embodiment.
  • operating body 20' has an arcuate inner surface 96 facing operating body 30' for accommodating the handlebar 1
  • operating body 30' has an arcuate inner surface 98 facing the operating body 20' for accommodating the handlebar 1.
  • Such a construction also allows the finger contact part 22 to be placed directly adjacent to finger contact part 33.
  • operating body 20 or 20' may cause take-up body 70 to rotate in the cable pay out direction
  • operating body 30 or 30' may cause take-up body 70 to rotate in the cable take-up direction
  • operating body 20 may be constructed for pivoting displacement
  • operating body 30 may be constructed for sliding displacement.
  • the cable take-up mechanism may be replaced by a mechanism such as that disclosed in USP 5,203,213, incorporated herein by reference, or any number of take-up mechanisms where the levers operate in different directions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Mechanical Control Devices (AREA)

Claims (22)

  1. Eine Fahrrad-Gangschaltungsbedienungsvorrichtung (5) zur Bedienung einer Gangschaltung mittels eines Schaltgetriebeelementes (4) bestehend aus:
    einem Schaltkörper (70), der zur Montierung auf einer Fahrradlenkstange (1) ausgerichtet wurde, um ein Ziehen und Lösen des Schaltgetriebeelementes (4) zu steuern;
    einem ersten Hebel (20, 20'), der auf dem Schaltkörper (70) montiert wird, um eine Bewegung, die den Schaltkörper (70) dazu veranlaßt, ein Ziehen des Schaltgetriebeelementes (4) zu bewirken, auszulösen;
    einem zweiten Hebel (30, 30'), der auf dem Schaltkörper (70) montiert wird, um eine Bewegung, die den Schaltkörper (70) dazu veranlaßt, ein Lösen des Schaltgetriebeelementes (4) zu bewirken, auszulösen;
    dadurch gekennzeichnet, daß:
    der erste Hebel (20, 20') und der zweite Hebel (30, 30') auf dem Schaltkörper (70) so montiert werden, daß sich, wenn die Gangschaltungsbedienungsvorrichtung (5) auf dem Fahrrad montiert wird, der erste oder der zweite Hebel (20, 20'; 30, 30') über der Lenkstange in eine Richtung von der Vorderseite der Lenkstange zur Hinterseite der Lenkstange erstreckt, und sich der andere erste oder zweite Hebel (20, 20'; 30, 30') unter der Lenkstange in eine Richtung von der Vorderseite der Lenkstange zur Hinterseite der Lenkstange erstreckt.
  2. Vorrichtung gemäß Anspruch 1, wobei der erste Hebel (20, 20') auf dem Schaltkörper (70) so montiert wird, daß die Bewegung des ersten Hebels (20, 20') in eine erste Richtung den Schaltkörper (70) dazu veranlaßt, ein Ziehen des Schaltgetriebeelementes (4) zu bewirken, wobei der zweite Hebel (30, 30') auf dem Schaltkörper (70) so montiert wird, daß die Bewegung des zweiten Hebels (30, 30') in eine zweite Richtung den Schaltkörper (70) dazu veranlaßt, ein Lösen des Schaltgetriebeelementes (4) zu bewirken, und wobei die erste Richtung von der zweiten Richtung abweicht.
  3. Vorrichtung gemäß Anspruch 2, wobei der erste Hebel (20) oder der zweite Hebel (30) an den Schaltkörper (70) gekoppelt wird, um eine lineare Bewegung in bezug auf den Schaltkörper (70) zu erzielen, und wobei der andere erste Hebel (20) oder zweite Hebel (30) an den Schaltkörper (70) gekoppelt wird, um eine drehende Bewegung in bezug auf den Schaltkörper (70) zu erzielen.
  4. Vorrichtung gemäß Anspruch 3, wobei der erste Hebel (20) oder der zweite Hebel (30) an den Schaltkörper (70) gekoppelt wird, um eine Bewegung entlang der Längsachse eines ersten Hebels (20) oder zweiten Hebels (30) zu erzielen.
  5. Vorrichtung gemäß einem der Ansprüche 3 oder 4, wobei der Schaltkörper (70) drehbar auf der Gangschaltungsbedienungsvorrichtung (5) montiert wird, und wobei der andere erste Hebel (20) oder zweite Hebel (30) an den Schaltkörper (70) gekoppelt wird, um eine Drehung um die Drehachse des Schaltkörpers zu erzielen.
  6. Vorrichtung gemäß einem der Ansprüche 1 oder 2, wobei der erste Hebel (20') an den Schaltkörper (70) gekoppelt wird, um eine Drehbewegung in bezug auf den Schaltkörper (70) zu erzielen, und wobei der zweite Hebel (30') mit dem Schaltkörper (70) gekoppelt wird, um eine Drehbewegung in bezug auf den Schaltkörper zu erzielen.
  7. Vorrichtung gemäß Anspruch 6 und Anspruch 2, wobei die erste Richtung der zweiten Richtung entgegengesetzt ist.
  8. Vorrichtung gemäß einem der Ansprüche 6 oder 7, wobei der Schaltkörper (70) drehbar auf der Gangschaltungsbedienungsvorrichtung (5) montiert wird, und wobei der erste Hebel (20') und der zweite Hebel (30') an den Schaltkörper (70) gekoppelt wird, um eine Drehung um eine Drehachse des Schaltkörpers (70) zu erzielen.
  9. Vorrichtung gemäß einem der Ansprüche 6 bis 8, wobei der erste Hebel (20') eine dem zweiten Hebel (30') gegenüberliegende bogenförmige Oberfläche zur Anpassung an die Lenkstange (1) aufweist, und wobei der zweite Hebel (30') eine dem ersten Hebel (20') gegenüberliegende bogenförmige Oberfläche zur Anpassung an die Lenkstange (1) aufweist.
  10. Fahrrad-Gangschaltungsbedienungsvorrichtung (5) gemäß Anspruch 1, wobei das Schaltgetriebeelement (4) ein Gangschaltungskabel (4) ist und wobei:
    der Schaltkörper (70) um eine Achse (X) drehbar ist, um das Gangschaltungskabel (4) zu steuern;
    der erste Hebel (20) ein linearer Bedienungskörper (20) ist, der einen ersten vom Schaltkörper (70) entfernt gelegenen Fingerkontaktteil (22) aufweist und der an die Bedienungsvorrichtung (5) gekoppelt ist, um eine lineare Verschiebung zwischen einer ersten Ausgangsstellung und einer ersten Gangschaltungsstellung zu erzielen;
    der zweite Hebel (30) ein drehender Bedienungskörper (30) ist, der einen zweiten vom Schaltkörper (70) entfernt gelegenen Fingerkontaktteil (32) aufweist und der an die Bedienungsvorrichtung (5) gekoppelt ist, um eine drehende Verschiebung zwischen einer zweiten Ausgangsstellung und einer zweiten Gangschaltungsstellung zu erzielen;
    und wobei die Gangschaltungsbedienungsvorrichtung (5) weiter bestehend aus:
    ein erstes Schaltgetriebe (50), das die lineare Verschiebung des linearen Bedienungskörpers (20) von der ersten Ausgangsstellung zur ersten Gangschaltungsstellung in eine drehbare Verschiebung des Schaltkörpers (70) umwandelt;
    ein zweites Schaltgetriebe (60), das die drehende Verschiebung des drehenden Bedienungskörpers (30) von der zweiten Ausgangsstellung zur zweiten Gangschaltungsstellung in eine drehbare Verschiebung des Schaltkörpers (70) umwandelt; und
    wobei, wenn sich der lineare Bedienungskörper (20) in der ersten Ausgangsstellung und der drehende Bedienungskörper (30) in der zweiten Ausgangsstellung befindet, der erste Fingerkontaktteil (22) in unmittelbarer Nähe des zweiten Fingerkontaktteils (32) liegt.
  11. Vorrichtung gemäß Anspruch 10 beinhaltet im weiteren:
    ein erstes Hinlenkungsmittel (11a), um den linearen Bedienungskörper (20) auf die erste Ausgangsstellung hinzulenken; und
    ein zweites Hinlenkungsmittel (11b), um den drehenden Bedienungskörper (30) auf die zweite Ausgangsstellung hinzulenken.
  12. Vorrichtung gemäß einem der Ansprüche 10 oder 11, wobei sich der lineare Bedienungskörper (20) von der Achse (X) weg erstreckt, so daß ein freistehendes Ende des linearen Bedienungskörpers (20) den ersten Fingerkontaktteil (22) bildet, und wobei sich der drehende Bedienungskörper (30) in derselben allgemeinen Richtung wie der lineare Bedienungskörper (20) von der Achse (X) weg erstreckt, so daß ein freistehendes Ende des drehenden Bedienungskörpers (30) den zweiten Fingerkontaktteil (32) bildet.
  13. Vorrichtung gemäß einem der Ansprüche 10 bis 12, wobei der erste Fingerkontaktteil (22) im wesentlichen in derselben Ebene, wie die Ebene des Bewegungsweges des zweiten Fingerkontaktteils (32) verschoben wird.
  14. Vorrichtung gemäß einem der Ansprüche 10 bis 13, wobei der lineare Bedienungskörper (20) einen ersten Wurzelteil (23), der an die erste Übermittlung (50) gekoppelt ist, und einen ersten Armteil (21), der den ersten Wurzelteil (23) an den ersten Fingerkontaktteil (22) koppelt, beinhaltet, wobei der drehende Bedienungskörper (30) einen zweiten Wurzelteil (33), der an die zweite Übermittlung (60) gekoppelt ist, und einen zweiten Armteil (31), der den zweiten Wurzelteil (33) an den zweiten Fingerkontaktteil (32) koppelt, beinhaltet, und wobei ein Zwischenraum zwischen dem ersten Armteil (21) und dem zweiten Armteil (31) größer als ein Durchmesser der Lenkstange, auf welcher die Vorrichtung montiert wird, ist.
  15. Vorrichtung gemäß einem der Ansprüche 10 bis 14, wobei der Schaltkörper (70) auf der Seite eines Trägers (3) einer Bremsbetätigungsvorrichtung gestützt wird, wobei sich der lineare Bedienungskörper (20) über der Lenkstange (1) ersteckt, auf der die Bremsbetätigungsvorrichtung montiert ist, und wobei sich der drehende Bedienungskörper (30) unter der Lenkstange erstreckt.
  16. Fahrrad-Gangschaltungsbedienungsvorrichtung (5) gemäß Anspruch 1, wobei der Schaltkörper (70) um eine Achse (X) zur Steuerung des Gangschaltungskabels (4) drehbar ist, und wobei:
    der erste Hebel (20') ein erster drehender Bedienungskörper (20') ist, der einen ersten vom Schaltkörper (70) entfernt gelegenen Fingerkontaktteil (22) aufweist und der an die Bedienungsvorrichtung (5) gekoppelt ist, um eine drehende Verschiebung zwischen einer ersten Ausgangsstellung und einer ersten Gangschaltungsstellung zu erzielen;
    der zweite Hebel (30') ein zweiter drehender Bedienungskörper (30') ist, der einen zweiten vom Schaltkörper (70) entfernt gelegenen Fingerkontaktteil (32) aufweist und der an die Bedienungsvorrichtung (5) gekoppelt ist, um eine drehende Verschiebung zwischen einer zweiten Ausgangsstellung und einer zweiten Gangschaltungsstellung zu erzielen;
    und wobei die Gangschaltungsbedienungsvorrichtung (5) weiterhin beinhaltet:
    ein erstes Schaltgetriebe (50), das die drehende Verschiebung des ersten drehenden Bedienungskörpers (20') von der ersten Ausgangsstellung zur ersten Gangschaltungsstellung in eine rotierende Verschiebung des Schaltkörpers (70) umwandelt;
    ein zweites Schaltgetriebe (60), das die drehende Verschiebung des zweiten drehenden Bedienungskörpers (30') von der zweiten Ausgangsstellung zur zweiten Gangschaltungsstellung in eine drehende Verschiebung des Schaltkörpers (70) umwandelt; und
    wobei, wenn sich der erste drehende Bedienungskörper (20') in der ersten Ausgangsstellung und sich der zweite drehende Bedienungskörper (30') in der zweiten Ausgangsstellung befindet, der erste Fingerkontaktteil (22) in unmittelbarer Nähe des zweiten Fingerkontaktteils (32) liegt.
  17. Vorrichtung gemäß Anspruch 16, die weiterhin beinhaltet:
    ein erstes Hinlenkungsmittel (11a), um den ersten drehenden Bedienungskörper (20') zur ersten Ausgangsstellung hinzulenken; und
    ein zweites Hinlenkungsmittel (11b), um den zweiten drehenden Bedienungskörper (30') zur zweiten Ausgangsstellung hinzulenken.
  18. Vorrichtung gemäß einem der Ansprüche 16 oder 17, wobei sich der erste drehende Bedienungskörper (20') von der Achse (X) weg erstreckt, so daß ein freistehendes Ende des ersten drehenden Bedienungskörpers (20') einen ersten Fingerkontaktteil (22) bildet, und wobei sich der zweite drehende Bedienungsteil (30') in derselben allgemeinen Richtung wie der erste drehende Bedienungskörper (20') von der Achse (X) weg erstreckt, so daß ein freistehendes Ende des drehenden Bedienungskörpers (30) einen zweiten Fingerkontaktteil (32) bildet.
  19. Vorrichtung gemäß einem der Ansprüche 16 bis 18, wobei der Bewegungsweg des ersten Fingerkontaktteils (22) im wesentlichen in derselben Ebene, wie der Bewegungsweg des zweiten Fingerkontaktteils (32) angeordnet ist.
  20. Vorrichtung gemäß Anspruch 19, wobei der Bewegungsweg des ersten Fingerkontaktteils (22) von der ersten Ausgangsstellung zur ersten Gangschaltungsstellung dem Bewegungsweg des zweiten Fingerkontaktteils (32) von der zweiten Ausgangsstellung zur zweiten Gangschaltungsstellung entgegengesetzt ist.
  21. Vorrichtung gemäß einem der Ansprüche 16 bis 20, wobei der Schaltkörper (70) auf einer Seite eines Trägers einer Bremsbetätigungsvorrichtung (3) gestützt wird, wobei sich der erste drehende Bedienungskörper (20') über der Lenkstange erstreckt, auf der die Bremsbetätigungsvorrichtung montiert ist, wobei sich der zweite drehende Bedienungskörper (30') unter der Lenkstange erstreckt, wobei eine drehende Verschiebung des ersten drehenden Bedienungskörpers (20') oder des zweiten drehenden Bedienungskörpers (30') den Schaltkörper (70) zum Ziehen des Gangschaltungskabels (4) veranlaßt, und wobei eine drehende Verschiebung des anderen ersten drehenden Bedienungskörpers (20') oder zweiten drehenden Bedienungskörpers (30') den Schaltkörper (70) zum Lösen des Gangschaltungskabels (4) veranlaßt.
  22. Vorrichtung gemäß einem der Ansprüche 16 bis 21, wobei der erste drehende Bedienungskörper (20') eine dem zweiten drehenden Bedienungskörper (30') gegenüberliegende bogenförmige Oberfläche zur Anpassung an die Lenkstange (1) aufweist, und wobei der zweite drehende Bedienungskörper (30') eine dem ersten drehenden Bedienungskörper (20') gegenüberliegende bogenförmige Oberfläche zur Anpassung an die Lenkstange (1) aufweist.
EP97300916A 1996-02-14 1997-02-13 Fahrrad-Gangschaltungshebel Expired - Lifetime EP0790175B1 (de)

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US8387484B2 (en) 2001-11-16 2013-03-05 Campagnolo S.R.L. Gear-change control device for a bicycle
US8424414B2 (en) 2005-06-27 2013-04-23 Campagnolo S.R.L. Control device for a bicycle derailleur
US9174700B2 (en) 2006-01-23 2015-11-03 Campagnolo S.R.L. Control device for a bicycle derailleur
US8833199B2 (en) 2006-02-23 2014-09-16 Campagnolo S.R.L. Bicycle brake control device
US9045193B2 (en) 2007-02-09 2015-06-02 Campagnolo S.R.L. Command device for a derailleur of a bicycle
US9027433B2 (en) 2007-03-01 2015-05-12 Campagnolo S.R.L. Control device for a bicycle and bicycle comprising such a device
US9126650B2 (en) 2007-11-23 2015-09-08 Campagnolo S.R.L. Control device for a bicycle with curved handlebars

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CN1068841C (zh) 2001-07-25
DE69700390T2 (de) 2000-04-13
CN1161293A (zh) 1997-10-08
EP0790175A1 (de) 1997-08-20
TW378183B (en) 2000-01-01
US5755139A (en) 1998-05-26
US5921138A (en) 1999-07-13
DE69700390D1 (de) 1999-09-16

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